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Clean up comments and whitespace characters in source files

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Remove all remaining "last changed" version info from source comments.
(The version control system maintains this information automatically.)

Delete the trailing whitespace characters.
This commit is contained in:
Cosmin Truta 2022-11-20 21:23:33 +02:00
parent 8cfdb5436d
commit 77c3a39299
24 changed files with 26 additions and 44 deletions
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10
CHANGES
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@ -4052,7 +4052,7 @@ Version 1.6.0beta16 [March 6, 2012]
(in fact this is harmless, but the PNG data produced may be sub-optimal). (in fact this is harmless, but the PNG data produced may be sub-optimal).
Version 1.6.0beta17 [March 10, 2012] Version 1.6.0beta17 [March 10, 2012]
Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition. Fixed PNG_LIBPNG_BUILD_BASE_TYPE definition.
Reject all iCCP chunks after the first, even if the first one is invalid. Reject all iCCP chunks after the first, even if the first one is invalid.
Deflate/inflate was reworked to move common zlib calls into single Deflate/inflate was reworked to move common zlib calls into single
functions [rw]util.c. A new shared keyword check routine was also added functions [rw]util.c. A new shared keyword check routine was also added
@ -4962,7 +4962,7 @@ Version 1.6.13beta01 [July 4, 2014]
Changed "if defined(__ARM_NEON__)" to Changed "if defined(__ARM_NEON__)" to
"if (defined(__ARM_NEON__) || defined(__ARM_NEON))" (James Wu). "if (defined(__ARM_NEON__) || defined(__ARM_NEON))" (James Wu).
Fixed clang no-warning builds: png_digit was defined but never used. Fixed clang no-warning builds: png_digit was defined but never used.
Version 1.6.13beta02 [July 21, 2014] Version 1.6.13beta02 [July 21, 2014]
Fixed an incorrect separator ("/" should be "\") in scripts/makefile.vcwin32 Fixed an incorrect separator ("/" should be "\") in scripts/makefile.vcwin32
(bug report from Wolfgang S. Kechel). Bug was introduced in libpng-1.6.11. (bug report from Wolfgang S. Kechel). Bug was introduced in libpng-1.6.11.
@ -5453,7 +5453,7 @@ Version 1.6.21beta01 [December 11, 2015]
Version 1.6.21beta02 [December 14, 2015] Version 1.6.21beta02 [December 14, 2015]
Moved png_check_keyword() from pngwutil.c to pngset.c Moved png_check_keyword() from pngwutil.c to pngset.c
Removed LE/BE dependencies in pngvalid, to 'fix' the current problem Removed LE/BE dependencies in pngvalid, to 'fix' the current problem
in the BigEndian tests by not testing it, making the BE code the same in the BigEndian tests by not testing it, making the BE code the same
as the LE version. as the LE version.
Fixes to pngvalid for various reduced build configurations (eliminate unused Fixes to pngvalid for various reduced build configurations (eliminate unused
statics) and a fix for the case in rgb_to_gray when the digitize option statics) and a fix for the case in rgb_to_gray when the digitize option
@ -5517,7 +5517,7 @@ Version 1.6.22beta03 [March 9, 2016]
Added a common-law trademark notice and export control information Added a common-law trademark notice and export control information
to the LICENSE file, png.h, and the man page. to the LICENSE file, png.h, and the man page.
Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that
were accidentally removed from libpng-1.6.17. were accidentally removed from libpng-1.6.17.
Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h
(Robert C. Seacord). (Robert C. Seacord).
Removed dubious "#if INT_MAX" test from png.h that was added to Removed dubious "#if INT_MAX" test from png.h that was added to
@ -5950,7 +5950,7 @@ Version 1.6.32beta09 [August 3, 2017]
Require cmake-2.8.8 in CMakeLists.txt. Revised symlink creation, Require cmake-2.8.8 in CMakeLists.txt. Revised symlink creation,
no longer using deprecated cmake LOCATION feature (Clifford Yapp). no longer using deprecated cmake LOCATION feature (Clifford Yapp).
Fixed five-byte error in the calculation of IDAT maximum possible size. Fixed five-byte error in the calculation of IDAT maximum possible size.
Version 1.6.32beta10 [August 5, 2017] Version 1.6.32beta10 [August 5, 2017]
Moved chunk-length check into a png_check_chunk_length() private Moved chunk-length check into a png_check_chunk_length() private
function (Suggested by Max Stepin). function (Suggested by Max Stepin).

2
contrib/arm-neon/android-ndk.c
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@ -2,7 +2,6 @@
* *
* Copyright (c) 2014 Glenn Randers-Pehrson * Copyright (c) 2014 Glenn Randers-Pehrson
* Written by John Bowler, 2014. * Written by John Bowler, 2014.
* Last changed in libpng 1.6.10 [March 6, 2014]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
@ -24,6 +23,7 @@
* has been compiled only, not linked: no version of the library has been found, * has been compiled only, not linked: no version of the library has been found,
* only the header files exist in the NDK. * only the header files exist in the NDK.
*/ */
#include <cpu-features.h> #include <cpu-features.h>
static int static int

2
contrib/arm-neon/linux-auxv.c
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@ -2,7 +2,6 @@
* *
* Copyright (c) 2014 Glenn Randers-Pehrson * Copyright (c) 2014 Glenn Randers-Pehrson
* Written by Mans Rullgard, 2011. * Written by Mans Rullgard, 2011.
* Last changed in libpng 1.6.10 [March 6, 2014]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
@ -22,6 +21,7 @@
* This generic __linux__ implementation requires reading /proc/self/auxv and * This generic __linux__ implementation requires reading /proc/self/auxv and
* looking at each element for one that records NEON capabilities. * looking at each element for one that records NEON capabilities.
*/ */
#include <unistd.h> /* for POSIX 1003.1 */ #include <unistd.h> /* for POSIX 1003.1 */
#include <errno.h> /* for EINTR */ #include <errno.h> /* for EINTR */

2
contrib/arm-neon/linux.c
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@ -1,6 +1,5 @@
/* contrib/arm-neon/linux.c /* contrib/arm-neon/linux.c
* *
* Last changed in libpng 1.6.31 [July 27, 2017]
* Copyright (c) 2014, 2017 Glenn Randers-Pehrson * Copyright (c) 2014, 2017 Glenn Randers-Pehrson
* Written by John Bowler, 2014, 2017. * Written by John Bowler, 2014, 2017.
* *
@ -19,6 +18,7 @@
* This code is strict ANSI-C and is probably moderately portable; it does * This code is strict ANSI-C and is probably moderately portable; it does
* however use <stdio.h> and it assumes that /proc/cpuinfo is never localized. * however use <stdio.h> and it assumes that /proc/cpuinfo is never localized.
*/ */
#include <stdio.h> #include <stdio.h>
static int static int

2
contrib/examples/pngtopng.c
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@ -5,8 +5,6 @@
* related or neighboring rights to this work. This work is published from: * related or neighboring rights to this work. This work is published from:
* United States. * United States.
* *
* Last changed in libpng 1.6.29 [March 16, 2017]
*
* Read a PNG and write it out in a fixed format, using the 'simplified API' * Read a PNG and write it out in a fixed format, using the 'simplified API'
* that was introduced in libpng-1.6.0. * that was introduced in libpng-1.6.0.
* *

3
contrib/powerpc-vsx/linux.c
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@ -2,7 +2,6 @@
* *
* Copyright (c) 2017 Glenn Randers-Pehrson * Copyright (c) 2017 Glenn Randers-Pehrson
* Written by Vadim Barkov, 2017. * Written by Vadim Barkov, 2017.
* Last changed in libpng 1.6.29 [March 16, 2017]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
@ -12,7 +11,7 @@
* BUG REPORTS: png-mng-implement@sourceforge.net * BUG REPORTS: png-mng-implement@sourceforge.net
* *
* png_have_vsx implemented for Linux by reading the widely available * png_have_vsx implemented for Linux by reading the widely available
* pseudo-file /proc/cpuinfo. * pseudo-file /proc/cpuinfo.
* *
* This code is strict ANSI-C and is probably moderately portable; it does * This code is strict ANSI-C and is probably moderately portable; it does
* however use <stdio.h> and it assumes that /proc/cpuinfo is never localized. * however use <stdio.h> and it assumes that /proc/cpuinfo is never localized.

1
contrib/powerpc-vsx/linux_aux.c
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@ -2,7 +2,6 @@
* *
* Copyright (c) 2017 Glenn Randers-Pehrson * Copyright (c) 2017 Glenn Randers-Pehrson
* Written by Vadim Barkov, 2017. * Written by Vadim Barkov, 2017.
* Last changed in libpng 1.6.29 [March 16, 2017]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer

4
contrib/tools/checksum-icc.c
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@ -2,8 +2,6 @@
* *
* Copyright (c) 2013 John Cunningham Bowler * Copyright (c) 2013 John Cunningham Bowler
* *
* Last changed in libpng 1.6.0 [February 14, 2013]
*
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
* and license in png.h * and license in png.h
@ -11,8 +9,8 @@
* Generate crc32 and adler32 checksums of the given input files, used to * Generate crc32 and adler32 checksums of the given input files, used to
* generate check-codes for use when matching ICC profiles within libpng. * generate check-codes for use when matching ICC profiles within libpng.
*/ */
#include <stdio.h>
#include <stdio.h>
#include <zlib.h> #include <zlib.h>
static int static int

6
contrib/tools/cvtcolor.c
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@ -1,7 +1,4 @@
/*- /* convert.c
* convert.c
*
* Last changed in libpng 1.6.0 [February 14, 2013]
* *
* COPYRIGHT: Written by John Cunningham Bowler, 2013. * COPYRIGHT: Written by John Cunningham Bowler, 2013.
* To the extent possible under law, the author has waived all copyright and * To the extent possible under law, the author has waived all copyright and
@ -10,6 +7,7 @@
* *
* Convert 8-bit sRGB or 16-bit linear values to another format. * Convert 8-bit sRGB or 16-bit linear values to another format.
*/ */
#define _ISOC99_SOURCE 1 #define _ISOC99_SOURCE 1
#include <stdlib.h> #include <stdlib.h>

3
contrib/tools/genpng.c
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@ -1,4 +1,4 @@
/*- genpng /* genpng
* *
* COPYRIGHT: Written by John Cunningham Bowler, 2015. * COPYRIGHT: Written by John Cunningham Bowler, 2015.
* Revised by Glenn Randers-Pehrson, 2017, to add buffer-size check. * Revised by Glenn Randers-Pehrson, 2017, to add buffer-size check.
@ -69,6 +69,7 @@
* joins are mitres; the outside of the lines are continued to the point of * joins are mitres; the outside of the lines are continued to the point of
* intersection. * intersection.
*/ */
#include <stddef.h> #include <stddef.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

3
contrib/tools/makesRGB.c
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@ -1,6 +1,4 @@
/* makesRGB.c -- build sRGB-to-linear and linear-to-sRGB conversion tables /* makesRGB.c -- build sRGB-to-linear and linear-to-sRGB conversion tables
*
* Last changed in libpng 1.6.0 [February 14, 2013]
* *
* COPYRIGHT: Written by John Cunningham Bowler, 2013. * COPYRIGHT: Written by John Cunningham Bowler, 2013.
* To the extent possible under law, the author has waived all copyright and * To the extent possible under law, the author has waived all copyright and
@ -14,6 +12,7 @@
* approximation to the 8-bit sRGB encoded value. Calculate the error in these * approximation to the 8-bit sRGB encoded value. Calculate the error in these
* tables and display it. * tables and display it.
*/ */
#define _C99_SOURCE 1 #define _C99_SOURCE 1
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>

4
contrib/tools/png-fix-itxt.c
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@ -1,8 +1,6 @@
/* png-fix-itxt
/* png-fix-itxt version 1.0.0
* *
* Copyright 2015 Glenn Randers-Pehrson * Copyright 2015 Glenn Randers-Pehrson
* Last changed in libpng 1.6.18 [July 23, 2015]
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer

5
contrib/tools/pngcp.c
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@ -2,8 +2,6 @@
* *
* Copyright (c) 2016 John Cunningham Bowler * Copyright (c) 2016 John Cunningham Bowler
* *
* Last changed in libpng 1.6.24 [August 4, 2016]
*
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
* and license in png.h * and license in png.h
@ -15,6 +13,7 @@
* For a more extensive example that uses the transforms see * For a more extensive example that uses the transforms see
* contrib/libtests/pngimage.c in the libpng distribution. * contrib/libtests/pngimage.c in the libpng distribution.
*/ */
#include "pnglibconf.h" /* To find how libpng was configured. */ #include "pnglibconf.h" /* To find how libpng was configured. */
#ifdef PNG_PNGCP_TIMING_SUPPORTED #ifdef PNG_PNGCP_TIMING_SUPPORTED
@ -778,7 +777,7 @@ static void
set_opt_string(struct display *dp, unsigned int sp) set_opt_string(struct display *dp, unsigned int sp)
/* Add the appropriate option string to dp->curr. */ /* Add the appropriate option string to dp->curr. */
{ {
dp->stack[sp].opt_string_end = set_opt_string_(dp, sp, dp->stack[sp].opt, dp->stack[sp].opt_string_end = set_opt_string_(dp, sp, dp->stack[sp].opt,
options[dp->stack[sp].opt].values[dp->stack[sp].entry].name); options[dp->stack[sp].opt].values[dp->stack[sp].entry].name);
} }

2
contrib/tools/pngfix.c
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@ -1,6 +1,5 @@
/* pngfix.c /* pngfix.c
* *
* Last changed in libpng 1.6.31 [July 27, 2017]
* Copyright (c) 2014-2017 John Cunningham Bowler * Copyright (c) 2014-2017 John Cunningham Bowler
* *
* This code is released under the libpng license. * This code is released under the libpng license.
@ -10,6 +9,7 @@
* Tool to check and fix the zlib inflate 'too far back' problem. * Tool to check and fix the zlib inflate 'too far back' problem.
* See the usage message for more information. * See the usage message for more information.
*/ */
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>

6
contrib/tools/sRGB.h
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@ -1,7 +1,4 @@
/*- /* sRGB.h
* sRGB.h
*
* Last changed in libpng 1.6.0 [February 14, 2013]
* *
* COPYRIGHT: Written by John Cunningham Bowler, 2013. * COPYRIGHT: Written by John Cunningham Bowler, 2013.
* To the extent possible under law, the author has waived all copyright and * To the extent possible under law, the author has waived all copyright and
@ -16,6 +13,7 @@
* (in fact the source of the numbers is the wikipedia article at * (in fact the source of the numbers is the wikipedia article at
* https://en.wikipedia.org/wiki/SRGB). * https://en.wikipedia.org/wiki/SRGB).
*/ */
static double static double
sRGB_from_linear(double l) sRGB_from_linear(double l)
{ {

2
intel/filter_sse2_intrinsics.c
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@ -259,7 +259,7 @@ void png_read_filter_row_paeth3_sse2(png_row_infop row_info, png_bytep row,
a = d; d = _mm_unpacklo_epi8(load4(row ), zero); a = d; d = _mm_unpacklo_epi8(load4(row ), zero);
/* (p-a) == (a+b-c - a) == (b-c) */ /* (p-a) == (a+b-c - a) == (b-c) */
pa = _mm_sub_epi16(b,c); pa = _mm_sub_epi16(b,c);
/* (p-b) == (a+b-c - b) == (a-c) */ /* (p-b) == (a+b-c - b) == (a-c) */

2
libpng-manual.txt
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@ -877,7 +877,7 @@ described below (the latter being the two common names for associated alpha
color channels). Note that PNG files always contain non-associated color color channels). Note that PNG files always contain non-associated color
channels; png_set_alpha_mode() with one of the modes causes the decoder to channels; png_set_alpha_mode() with one of the modes causes the decoder to
convert the pixels to an associated form before returning them to your convert the pixels to an associated form before returning them to your
application. application.
Since it is not necessary to perform arithmetic on opaque color values so Since it is not necessary to perform arithmetic on opaque color values so
long as they are not to be resampled and are in the final color space it is long as they are not to be resampled and are in the final color space it is

2
libpng.3
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@ -1396,7 +1396,7 @@ described below (the latter being the two common names for associated alpha
color channels). Note that PNG files always contain non-associated color color channels). Note that PNG files always contain non-associated color
channels; png_set_alpha_mode() with one of the modes causes the decoder to channels; png_set_alpha_mode() with one of the modes causes the decoder to
convert the pixels to an associated form before returning them to your convert the pixels to an associated form before returning them to your
application. application.
Since it is not necessary to perform arithmetic on opaque color values so Since it is not necessary to perform arithmetic on opaque color values so
long as they are not to be resampled and are in the final color space it is long as they are not to be resampled and are in the final color space it is

4
pngread.c
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@ -3762,13 +3762,13 @@ png_image_read_direct(png_voidp argument)
mode = PNG_ALPHA_PNG; mode = PNG_ALPHA_PNG;
output_gamma = PNG_DEFAULT_sRGB; output_gamma = PNG_DEFAULT_sRGB;
} }
if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0) if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0)
{ {
mode = PNG_ALPHA_OPTIMIZED; mode = PNG_ALPHA_OPTIMIZED;
change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA; change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA;
} }
/* If 'do_local_background' is set check for the presence of gamma /* If 'do_local_background' is set check for the presence of gamma
* correction; this is part of the work-round for the libpng bug * correction; this is part of the work-round for the libpng bug
* described above. * described above.

1
scripts/intprefix.c
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@ -1,7 +1,6 @@
/* intprefix.c - generate an unprefixed internal symbol list /* intprefix.c - generate an unprefixed internal symbol list
* *
* Last changed in libpng version 1.6.16 [December 22, 2014]
* Copyright (c) 2013-2014 Glenn Randers-Pehrson * Copyright (c) 2013-2014 Glenn Randers-Pehrson
* *
* This code is released under the libpng license. * This code is released under the libpng license.

1
scripts/prefix.c
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@ -1,7 +1,6 @@
/* prefix.c - generate an unprefixed symbol list /* prefix.c - generate an unprefixed symbol list
* *
* Last changed in libpng version 1.6.16 [December 22, 2014]
* Copyright (c) 2013-2014 Glenn Randers-Pehrson * Copyright (c) 2013-2014 Glenn Randers-Pehrson
* *
* This code is released under the libpng license. * This code is released under the libpng license.

1
scripts/sym.c
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@ -1,7 +1,6 @@
/* sym.c - define format of libpng.sym /* sym.c - define format of libpng.sym
* *
* Last changed in libpng version 1.6.16 [December 22, 2014]
* Copyright (c) 2011-2014 Glenn Randers-Pehrson * Copyright (c) 2011-2014 Glenn Randers-Pehrson
* *
* This code is released under the libpng license. * This code is released under the libpng license.

1
scripts/symbols.c
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@ -1,7 +1,6 @@
/* symbols.c - find all exported symbols /* symbols.c - find all exported symbols
* *
* Last changed in libpng version 1.6.16 [December 22, 2014]
* Copyright (c) 2011-2014 Glenn Randers-Pehrson * Copyright (c) 2011-2014 Glenn Randers-Pehrson
* *
* This code is released under the libpng license. * This code is released under the libpng license.

1
scripts/vers.c
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@ -1,7 +1,6 @@
/* vers.c - define format of libpng.vers /* vers.c - define format of libpng.vers
* *
* Last changed in libpng version 1.6.16 [December 22, 2014]
* Copyright (c) 2011-2014 Glenn Randers-Pehrson * Copyright (c) 2011-2014 Glenn Randers-Pehrson
* *
* This code is released under the libpng license. * This code is released under the libpng license.